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Coconut mite


20157800229.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Bangladesh
,
September
2013
Coconut Mite
Recognize the problem
The coconut mite is becoming a predominant pest of coconuts in Bangladesh.
The introductions of these mites have caused severe damage to coconut and
are a real threat to coconut production and marketing. The mites are
microscopic but their damage can be enormous and hundreds of mites can be
seen in each infested button...

plantwise.org

Palm weevil


20157800234.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
November
2011
Palm weevil
Recognize the problem
These insects live inside of palm plants and destroy them. They also spread the
nematode that causes the red ring disease.
The weevils cause the crown leaves to dry and turn yellow. The new leaves
and the flowers die. The red ring can be seen when the stems of infected
plants are cut. In the late stage of...

plantwise.org

Guard basket traps for control of palm weevil in coconut


20157800090.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Trinidad and Tobago
,
December
2013
Guard Basket traps for control of Palm Weevil in Coconut
Recognize the problem
The palm weevil vectors the red ring nematode inside its body and carries it to
the trunk of healthy trees. The nematode enters the palm though wounds and
causes death of the coconut palm.
Background
Guard baskets are designed to protect the estate from frequent outbreaks...

plantwise.org

Button shedding in coconut


20157800004.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
India
,
November
2012
Button Shedding in Coconut
Recognize the problem
Premature button shedding is a very common problem observed on coconut.
Buttons can be shed after fertilization and some nuts are shed after setting.
This is not due to a single cause but may be due to combination of one or
more factors. The economic loss ranges from 10 to 20%.
Background
Shedding of buttons and...

plantwise.org

Red palm weevil of coconut


20157800025.jpg

FACTSHEETS FOR FARMERS www.plantwise.org Created in India , November 2012 Red Palm Weevil of Coconut Recognize the problem The red palm weevil is one of the major pests infesting palm crops like coconut, sago and other palm trees. On the infested trees, a reddish brown liquid is seen oozing out from the hole in the stem close to the ground. The liquid gives off a rotten smell. Background The red palm weevil is one of the most destructive pests...

plantwise.org

Rhinoceros beetle in coconut


20157800026.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
India
,
November
2012
Rhinoceros Beetle in Coconut
Recognize the problem
The Rhinoceros beetle is a black-coloured horned beetle which is active at
night and hides in feeding or breeding sites during the day. The beetle attacks
the young leaf fronds which, when fully opened, show characteristic diamond
shaped cuts. Repeated attack can destroy the top portion resulting in the death...

plantwise.org

Control of the coconut palm weevil


20137804484.jpg

FACTSHEETS FOR FARMERS www.plantwise.org Created in Grenada , October 2012 Control of the Coconut Palm Weevil Recognize the problem The coconut palm weevil causes major economic damage to coconut trees, especially the dwarf varieties. It causes the young leaves to turn yellow and die. It can spread red ring disease and mites. The weevils bore in to oil palm and trunks of coconut trees and feed on them. An infested tree grows slowly and the crown...

plantwise.org

Bugs on mango


20137804246.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
Kenya
,
December
2012
Bugs on Mango
Recognize the problem
The most common bugs found in mango orchards include the Helopeltis bugs
also called mosquito bugs, Tip wilters and the Coconut bug. Both young and
adult bugs feed on young flesh on the mid-vein of young leaves, or on flower
stalks, causing wilting and death of new growth. They also feed on young fruits
causing immature...

plantwise.org

Coconut basal stem end rot


20157800008.jpg

FACTSHEETS FOR FARMERS
www.plantwise.org
Created in
India
,
November
2012
Coconut Basal Stem End Rot
Recognize the problem
This chronic problem was first noticed in Tanjore in Tamil Nadu and hence is
sometimes known as Tanjore wilt disease. It later spread to all coconut
growing tracts of India. In the initial stages of the disease, profuse bearing of
nuts is noticed. The characteristic symptoms of the disease are the exudation
of...

plantwise.org

psfatech


psfatech.jpg

Potassium Salts of Fatty Acids
(Technical Fact Sheet)
For less technical information, please refer to the General Fact Sheet
What are potassium salts of fatty acids?
Potassium sa lts of fatty acids are commonly called soap salts. They are used as insecticides, herbicides,
fungicides, and algaecides. The first pesticide product containing soap salts was registered for use in 1947
(1).
Potassium salts of fatty acids are produced by...

npic.orst.edu

Rhynchophorus ferrugineus Defra PP Factsheet Oct 2016 FINAL4


Rhynchophorus-ferrugineus-Defra-PP-Factsheet-Oct-2016-FINAL4.jpg

Red palm weevil
Rhynchophorus ferrugineus
Figure 1. Red palm weevil adult intercepted in the UK on a gourd imported from Sri Lanka © Fera
Background
Rhynchophorus ferrugineus Olivier (Coleoptera: Curculionidae) is a highly invasive pest of
palms that can have a significant economic, environmental and social impact when
introduced into new geographical areas. It is the most important pest of date palm
(Phoenix dactylifera) in the world and...

planthealthportal.defra.gov.uk

coconut false scale 348


coconut_false_scale_348.jpg

Photo 1 . M asse s o f a d ult s a n d n ym phs o f
th e c o co nut (f a ls e ) s ca le s,
Asp id io tu s r ig id us
, o n
th e le af o f a c o co nut.
Photo 2 . Y ello w in g o f m atu re p alm s, d ue t o
in fe sta tio n o f c o co nut (f a ls e ) s ca le ,
Asp id io tu s
rig id us.
Photo 3 . Y ello w in g a n d d ry in g o f le afle ts o f a
co co nut f ro nd in fe ste d b y t h e c o co nut (f a ls e )
sca le ,
Asp id io tu s r ig id...

pestnet.org

coconut aspergillus mould 233


coconut_aspergillus_mould_233.jpg

Photo 1 .
Asp erg illu s f la vu s
s p oru la tin g o n
co pra .
Photo 2 .
Asp erg illu s f la vu s
s p oru la tin g o n s e ed
of p ean ut
in sid e d am aged p ods.
Photo 3 . M aiz e c o b w it h in fe cte d
kern els o f
Asp erg illu s f la vu s
.
Photo 4 . C lo se u p o f m aiz e k ern els t o s h ow
sp oru la tin g c o lo nie s o f
Asp erg illu s f la vu s.
P acif ic P ests a n d P ath ogen s - F a ct S h eets
P acif ic P...

pestnet.org

coconut bogia disease 229


coconut_bogia_disease_229.jpg

Photo 1 . D yin g a n d d ead c o co nut
palm s w it h
Bogia c o co nut s y n dro m e, M ad an g P ro vin ce ,
Pap ua N ew
Guin ea.
Photo 2 . C oco nuts s h ow in g s ig n s o f B ogia
sy n dro m e, w here as t h e b ete l n uts a re m ostly
healt h y.
Photo 3 . Y ello w in g o f
fro nds is a n e arly
sy m pto m o n p alm s w it h B ogia c o co nut
sy n dro m e, M ad an g P ro vin ce , P ap ua
New
Guin ea.
Photo 4 . In m an y p la...

pestnet.org

coconut bud rot 140


coconut_bud_rot_140.jpg

Photo 1. Bud rot of coconut showing the
collapse of the spear and younger leaves due to
infection by Phytophthora palmivora, while the
older leaves appear relatively healthy at this
time.
Photo 2. Nuts are also infected by coconut bud
rot causing premature nutfall. In this case,
Phytophthora hevae was isolated from the rot.
Photo 3. Slices from nuts (Photo 2) showing
internal infections by Phytophthora hevae.
Photo 4. Basal stem rot of coconut...

pestnet.org

coconut embryo rot 070


coconut_embryo_rot_070.jpg

Photo 1 . C otto ny g ro w th o f
Mara sm ie llu s
in oderm a
a t t h e b ase o f a c o co nut s h oot.
Photo 2 . S eed lin g w it h c o tto ny g ro w th o f
Mara sm ie llu s in oderm a
o ver t h e le aves. T h e
gro w th o f
th e s e ed lin g is p oor d ue t o t h e
in fe ctio n.
Photo 3 . T o ad sto ols o f
Mara sm ie llu s
in oderm a
on c o co nut. T h ey d evelo ped o n a c o co nut lo g,
but
sim ila r t o ad sto ols f o rm...

pestnet.org

coconut finschhafen disorder 280


coconut_finschhafen_disorder_280.jpg

Photo 1 . S ym pto m s o f F in sch hafe n d is o rd er o n
an o il p alm le af.
Photo 2 . A dult p la n th opper
Zo phiu m a
buta w en gi
: s id e v ie w .
Photo 3 . A dult p la n th opper,
Zo phiu m a
buta w en gi
, s h ow in g t h e c h ara cte ris tic p atte rn s
on t h e w in gs.
Map . L o ca tio ns in P ap ua N ew G uin ea w here
th ere h ave b een o utb re aks o f t h e F in sch affe n
dis o rd er.
P acif ic P ests a n d P...

pestnet.org

coconut flat moth 065


coconut_flat_moth_065.jpg

Photo 1 . M ale a d ult , c o co nut f la t m oth ,
Ago noxen a a rg au la
.
Photo 2 . F em ale a d ult , c o co nut f la t m oth ,
Ago noxen a a rg au la
. Photo 3 . E ggs o f c o co nut f la t m oth ,
Ago noxen a
arg au la
, o n t h e u nders id e o f a s w eet p ota to
le af.
Photo 4 . C ate rp illa r, c o co nut f la t m oth ,
Ago noxen a a rg au la
.
Photo 5 . " W in dow s" in c o co nut le afle ts c a u se d
by t h e f e ed in g...

pestnet.org

coconut foliar decay 231


coconut_foliar_decay_231.jpg

Photo 1 . In te n se y ello w in g o f
mid -s e ctio n
fro nds. O ne o f t h em is h an gin g d ow n b eca u se
of a b ro ken p etio le , w here as t h e
yo ungest a n d
old est f ro nds a re s till g re en .
Photo 2 . F o lia r d eca y o n M ala yan d w arf
se ed in g.
Photo 3 . S u sce p tib le M ala yan d w arf s h ow in g
sy m pto m s o f
co co nut f o lia r d eca y.
Photo 4 . M ala yan D w arf v arie ty w it h c o co nut
fo...

pestnet.org

coconut hispine beetle 059


coconut_hispine_beetle_059.jpg

Photo 1 . A dult h is p in e b eetle s,
Bro ntis p a
lo ngis sim a
, b etw een t h e le afle ts o f t h e s p ear
le af.
Photo 2 . L arg e a re as o f d eca y c a u se d b y t h e
fe ed in g o f t h e h is p in e b eetle ,
Bro ntis p a
lo ngis sim a
, o n t h e v arie ty
Mala yan D w arf.
Photo 3 . S evere ly d eca yed le aves o f M ala yan
dw arf s e ed lin g c a u se d b y t h e c o co nut h is p in e
beetle , B
ro ntis p a
lo ngis...

pestnet.org

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